01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * NonPaddingWrapperStyleSheet.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report.layout.style;
30:
31: import org.jfree.report.style.AbstractStyleSheet;
32: import org.jfree.report.style.ElementStyleKeys;
33: import org.jfree.report.style.StyleKey;
34: import org.jfree.report.style.StyleSheet;
35: import org.jfree.report.util.InstanceID;
36:
37: /**
38: * An element, that does not have the dynamic flag set to true, is limited to its minimum size and cannot
39: * grow any larger than that. This stylesheet simply enforces this policy by redefining the maximum size so that the
40: * maximum size is equal to the minimum size.
41: *
42: * @author Thomas Morgner
43: */
44: public class NonPaddingWrapperStyleSheet extends AbstractStyleSheet {
45: private StyleSheet parent;
46: private static final Float ZERO = new Float(0);
47:
48: public NonPaddingWrapperStyleSheet() {
49: }
50:
51: public void setParent(final StyleSheet parent) {
52: this .parent = parent;
53: }
54:
55: public StyleSheet getParent() {
56: return parent;
57: }
58:
59: public Object getStyleProperty(final StyleKey key,
60: final Object defaultValue) {
61: if (ElementStyleKeys.PADDING_TOP.equals(key)) {
62: return ZERO;
63: }
64: if (ElementStyleKeys.PADDING_LEFT.equals(key)) {
65: return ZERO;
66: }
67: if (ElementStyleKeys.PADDING_BOTTOM.equals(key)) {
68: return ZERO;
69: }
70: if (ElementStyleKeys.PADDING_RIGHT.equals(key)) {
71: return ZERO;
72: }
73: return parent.getStyleProperty(key, defaultValue);
74: }
75:
76: public Object[] toArray(final StyleKey[] keys) {
77: final Object[] objects = (Object[]) parent.toArray(keys)
78: .clone();
79: objects[ElementStyleKeys.PADDING_TOP.getIdentifier()] = ZERO;
80: objects[ElementStyleKeys.PADDING_LEFT.getIdentifier()] = ZERO;
81: objects[ElementStyleKeys.PADDING_BOTTOM.getIdentifier()] = ZERO;
82: objects[ElementStyleKeys.PADDING_RIGHT.getIdentifier()] = ZERO;
83: return objects;
84: }
85:
86: public InstanceID getId() {
87: return parent.getId();
88: }
89:
90: public long getChangeTracker() {
91: return parent.getChangeTracker();
92: }
93: }
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